/Engine/Plugins/Animation/MLDeformer/MLDeformerFramework/Source/MLDeformerFrameworkEditor/Public/MLDeformerEditorModel.h
Check whether the vertex count in the target mesh has changed or not. If this is the case you would need to re-train the model.
An error string if there is an error, otherwise an empty text object is returned.
[FText](API\Runtime\Core\Internationalization\FText) GetTargetAssetChangedErrorText() const